


'''simple docstring'''



import math

__A						=10
__A						=7
__A						=BALLS_PER_COLOUR * NUM_COLOURS







def      _UpperCamelCase   (		UpperCamelCase__ = 2_0       ):
			UpperCAmelCase__	:       Tuple   =  math.comb(lowerCamelCase_			,   lowerCamelCase_       )
			UpperCAmelCase__	:       int   =  math.comb(NUM_BALLS - BALLS_PER_COLOUR			,   lowerCamelCase_       )

			UpperCAmelCase__	:       List[str]   =  NUM_COLOURS * (1 - missing_colour / total)

			return f'''{result:.9f}'''


if __name__ == "__main__":
		print(solution(20))


import string
from math import logaa






def        snake_case__		(    lowerCamelCase_     ,				lowerCamelCase_		):
							A      :					List[str]      		=					document.translate(
							    str.maketrans(''''''     ,				''''''     ,				string.punctuation		)		).replace('''\n'''     ,				''''''		)
							A      :					Optional[int]      		=					document_without_punctuation.split(''' '''		)  # word tokenization
							return len([word for word in tokenize_document if word.lower() == term.lower()]		)






def        snake_case__		(    lowerCamelCase_     ,				lowerCamelCase_		):
							A      :					Dict      		=					corpus.lower().translate(
							    str.maketrans(''''''     ,				''''''     ,				string.punctuation		)		)  # strip all punctuation and replace it with ''
							A      :					Dict      		=					corpus_without_punctuation.split('''\n'''		)
							A      :					List[Any]      		=					term.lower()
							return (len([doc for doc in docs if term in doc]		), len(lowerCamelCase_		))






def        snake_case__		(    lowerCamelCase_     ,				lowerCamelCase_     ,				lowerCamelCase_=False		):
							if smoothing:
														if n == 0:
																					raise ValueError('''log10(0) is undefined.'''		)
														return round(1 + logaa(n / (1 + df)		)     ,				3		)

							if df == 0:
														raise ZeroDivisionError('''df must be > 0'''		)
							elif n == 0:
														raise ValueError('''log10(0) is undefined.'''		)
							return round(logaa(n / df		)     ,				3		)






def        snake_case__		(    lowerCamelCase_     ,				lowerCamelCase_		):
							return round(tf * idf     ,				3		)






